SOLUTION: 3sqrt(2x2 - 7) = y/z make x the subject of the formulae The second 2 is an exponent

Algebra ->  Square-cubic-other-roots -> SOLUTION: 3sqrt(2x2 - 7) = y/z make x the subject of the formulae The second 2 is an exponent      Log On


   

Question 985804: 3sqrt(2x2 - 7) = y/z make x the subject of the formulae
The second 2 is an exponent
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

3sqrt%282x%5E2-7%29=+y%2Fz... make x the subject of the formula
sqrt%282x%5E2-7%29=+%28y%2Fz%29%2F3
sqrt%282x%5E2-7%29=+%28y%2F3z%29.........square both sides
%28sqrt%282x%5E2-7%29%29%5E2=+%28y%2F3z%29%5E2
2x%5E2-7=+%28y%2F3z%29%5E2
2x%5E2=+%28y%2F3z%29%5E2%2B7
x%5E2=+%28%28y%2F3z%29%5E2%2B7%29%2F2
x=+sqrt%28%28%28y%2F3z%29%5E2%2B7%29%2F2%29